674,860

2² × 5 × 41 × 823

Starting at 674,860, the Collatz iteration reaches 1 after 185 steps. The first transition is 337430; the starting value is even with 24 positive divisors.

Prime Factor Structure

Factorization String 2^2 × 5 × 41 × 823

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 1,453,536

Proper Divisor Sum 778,676

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #674857 ← → #674867

Radix Representation

Decimal	674860
Binary	10100100110000101100 (20 bits)
Octal	0o2446054
Hexadecimal	0xA4C2C

Divisor Catalog (24)

1 2 4 5 10 20 41 82 164 205 410 820 823 1,646 3,292 4,115 8,230 16,460 33,743 67,486 134,972 168,715 337,430 674,860

Collatz Trajectory (185 steps to reach 1)

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

674,860 337,430 168,715 506,146 253,073 759,220 379,610 189,805 569,416 284,708 142,354 71,177 213,532 106,766 53,383 160,150 80,075 240,226 120,113 360,340 180,170 90,085 270,256 135,128 67,564 33,782 16,891 50,674 25,337 76,012 38,006 19,003 57,010 28,505 85,516 42,758 21,379 64,138 32,069 96,208 48,104 24,052 12,026 6,013 18,040 9,020 4,510 2,255 6,766 3,383 10,150 5,075 15,226 7,613 22,840 11,420 5,710 2,855 8,566 4,283

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